Ertl Big Farm Peterbilt Model 367 Vehicle With Grain Trailer - What boy, little or big wouldnâ€™t want to see this under the tree. Kids (and adults) eyes will be huge when they receive a glimpse of this truckthe peterbilt model 367 cab features lights and sounds, opening doors, movable mirrors and an extra set of tag wheels because you know, the more wheels, the more weight you can haul. When assembled out of the package, this truck will be 4â€™ longâ€¦. The grain trailer features an opening tarp, working hoppers and a set of tag wheels. Ertl big farm, just like the real thing, only smaller ertl’s big farm 116 sized vehicles are the only off-road toys designed with loads of detail and feature lights and sounds play action. Big, bigger, biggest big farm is introducing the 116 peterbilt model 367 with grain trailer.